Properties of the a0(980) meson

S. Teige*, B. B. Brabson, R. R. Crittenden, A. R. Dzierba, J. Gunter, R. Lindenbusch, D. R. Rust, E. Scott, P. T. Smith, T. Sulanke, S. U. Chung, R. W. Hackenburg, C. Olchanski, C. Strassburger, D. P. Weygand, H. J. Willutzki, Z. Bar-Yam, J. P. Cummings, J. P. Dowd, P. M. EugenioM. Hayek, W. Kern, E. King, N. Shenhav, V. A. Bodyagin, A. I. Demianov, O. L. Kodolova, V. L. Korotkikh, M. A. Kostin, A. I. Ostrovidov, L. I. Sarycheva, N. B. Sinev, I. N. Vardanyan, A. A. Yershov, D. S. Brown, T. K. Pedlar, K. K. Seth, J. Wise, D. Zhao, T. Adams, J. M. Bishop, N. M. Cason, E. I. Ivanov, J. M. LoSecco, J. J. Manak, A. H. Sanjari, W. D. Shephard, D. L. Stienike, S. A. Taegar, D. R. Thompson, S. P. Denisov, V. Dorofeev, I. Kachaev, V. V. Lipaev, A. V. Popov, D. I. Ryabchikov, G. S. Adams, J. Kuhn, J. Napolitano, M. Nozar, J. A. Smith, D. B. White, M. Witkowski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

79 Scopus citations


Events of the type π-p→nηπ+π- and π-p→nηπ0 at 18 GeV/c are analyzed. The mass and width of the neutral and charged a0(980) were determined. The neutral a0 is found to have a mass of (0.991 ±0.0025) GeV/c2 and a width of (0.069±0.011) GeV/c2. A partial wave analysis technique yields (0.9983±0.0040) and (0.072±0.010) GeV/c2 for the mass and width of the charged a0.

Original languageEnglish (US)
Article number012001
Pages (from-to)1-12
Number of pages12
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number1
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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